Question

What can the nervous system do to increase muscle tension?

a. increase stimulation frequency
b. increase the number of active motor units
c. recruit larger motor units
d. All of the listed responses can increase muscle tension

Answer 1

All of the listed responses can increase muscle tension. To increase muscle tension or force, the nervous system can increase the frequency of stimulation to the muscle fibers, recruit additional or larger motor units, or both. Therefore, all of the options mentioned in the question can increase muscle tension.